CN116976373A - 对彩色条形码进行解码 - Google Patents
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Abstract
本发明涉及对彩色条形码进行解码。一种对彩色条形码进行解码的方法涉及到利用三个光带以如下方式同时照射彩色条形码：利用三个空间上分离的光带中的每一个照射彩色条形码的每个条，其中三个光带每一个都被三个颜色中的不同的一个照射；捕捉从彩色条形码反射出的光的单色图像，其包括条形码中的由三个光带照射的条中的每一个；以及针对彩色条形码中的每个条，通过分析在三个光带中的每一个中的反射光强度的图像中捕捉到的光强度来确定条的颜色。
Description
技术领域
本发明涉及对彩色条形码进行解码。
背景技术
一般而言，大部分基于图像的条形码扫描仪使用灰度传感器，这意味着捕捉到的条形码图像不包括颜色信息。世界上广泛地使用通用产品代码(UPC)用于跟踪商店中的交易项目。一般使用单个代码来指定每个交易项目类型。为了跟踪每个单独的交易项目，已经设想许多解决方案。一个这样的解决方案涉及到针对每个交易项目添加再多一个代码作为对UPC代码的补充。另一具体解决方案是以不同的颜色来打印UPC代码条，并且通过改变该条的颜色序列来对涉及特定交易项目的独特信息进行编码。但用来扫描UPC代码的常规条形码扫描仪不能对所编码的颜色信息进行解码。
因此，存在对用于对彩色条形码进行解码的系统和方法的需要。
发明内容
因此，与某些实施例一致的对彩色条形码进行解码的方法涉及到利用三个空间上分离的光带(zone)以如下方式同时照射彩色条形码：利用三个空间上分离的光带中的每一个照射彩色条形码的每个条；其中三个光带每一个都被三个颜色中的不同的一个照射；捕捉从彩色条形码反射的光的单色图像，其包括条形码中的由三个光带照射的条中的每一个；针对彩色条形码中的每个条，通过在三个空间上分离的光带中的每一个中针对每个条分析反射光强度的图像中捕捉的光强度来确定条的颜色。
刚刚描述的三个光带实际上可以是用对彩色条形码进行解码的类似方法中的两个或更多光带，所述类似方法涉及到利用至少两个空间上分离的光带以如下方式同时照射彩色条形码：利用所述至少两个空间上分离的光带中的每一个照射彩色条形码的每个条；其中所述至少两个光带每一个都被不同的颜色照射；捕捉从彩色条形码反射的光的单色图像，其包括条形码中由所述至少两个光带中的每一个照射的条中的每一个；其中针对彩色条形码中的每个条，通过在所述至少两个空间上分离的光带中的每一个中针对每个条分析反射光强度的图像中捕捉的光强度来确定条的颜色。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由N个颜色C1到CN表示的；并且其中确定每个条的颜色通过确定C1到CN的值的相对强度来执行。在某些示例实施例中，针对三个颜色确定每个条的颜色还通过将C1、C2和C3的值之间的差的相对强度与阈值强度水平进行比较来执行。在某些示例实施例中，确定每个条的颜色通过将C1、C2和C3的值之间的差的相对强度与针对三个颜色实施例的预定阈值强度水平进行比较来执行。在某些示例实施例中，所述至少两个光带的颜色包括红色、绿色和蓝色中的至少两个。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由C1、C2和C3表示的；并且确定每个条的颜色通过确定C1、C2和C3的值的相对强度来执行。在某些示例实施例中，确定每个条的颜色还通过将C1、C2和C3的值之间的差的相对强度与阈值强度水平进行比较来执行。在某些示例实施例中，确定每个条的颜色通过将C1、C2和C3的值之间的差的相对强度与预定阈值强度水平进行比较来执行。
在某些示例实施例中，三个光带的三个颜色包括红色、绿色和蓝色。在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；并且确定每个条的颜色通过确定R、G和B的值的相对强度来执行。在某些示例实施例中，确定每个条的颜色还通过将R、G和B的值之间的差的相对强度与阈值强度水平进行比较来执行。在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；并且确定每个条的颜色通过将R、G和B的值之间的差的相对强度与阈值强度水平进行比较来执行。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；
其中条被确定成红色，如果：
R>G且|ΔRG|>TRG；
R>B且|ΔRB|>TRB；以及
|ΔGB|<TGB，其中|ΔRB|是R和B之间的差的绝对值，其中|ΔGB|是G和B之间的差的绝对值，并且其中|ΔRG|是R和G之间的差的绝对值，并且其中TRG、TRB和TGB是预定阈值。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；
其中条被确定成绿色，如果：
G>R且|ΔRG|>TRG；
G>B且|ΔGB|>TGB；以及
|ΔRB|<TRB，其中|ΔRB|是R和B之间的差的绝对值，其中|ΔGB|是G和B之间的差的绝对值，并且其中|ΔRG|是R和G之间的差的绝对值，并且其中TRG、TRB和TGB是预定阈值。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；
其中条被确定成蓝色，如果：
B>R且|ΔRB|>TRB；
B>G且|ΔGB|>TGB；以及
|ΔRG|<TRG，其中|ΔRB|是R和B之间的差的绝对值，其中|ΔGB|是G和B之间的差的绝对值，并且其中|ΔRG|是R和G之间的差的绝对值，并且其中TRG、TRB和TGB是预定阈值。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；
其中条被确定成黑色，如果：
|ΔRB|<TRB；
|ΔGB|<TGB；以及
|ΔRG|<TRG，其中|ΔRB|是R和B之间的差的绝对值，其中|ΔGB|是G和B之间的差的绝对值，并且其中|ΔRG|是R和G之间的差的绝对值，并且其中TRG、TRB和TGB是预定阈值。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；
其中条被确定成红色，如果：
R>G且|ΔRG|>TRG，
R>B且|ΔRB|>TRB，以及
|ΔGB|<TGB；
其中条被确定成绿色，如果：
G>R且|ΔRG|>TRG，
G>B且|ΔGB|>TGB，以及
|ΔRB|<TRB；
其中条被确定成蓝色，如果：
B>R且|ΔRB|>TRB，
B>G且|ΔGB|>TGB，以及
|ΔRG|<TRG；以及
其中条被确定成黑色，如果：
|ΔRB|<TRB，
|ΔGB|<TGB，以及
|ΔRG|<TRG，其中|ΔRB|是R和B之间的差的绝对值，其中|ΔGB|是G和B之间的差的绝对值，并且其中|ΔRG|是R和G之间的差的绝对值，并且其中TRG、TRB和TGB是预定阈值。
对彩色条形码进行解码的方法的另一示例实施例涉及到利用三个空间上分离的光带以如下方式同时照射彩色条形码：利用三个空间上分离的光带中的每一个照射彩色条形码的每个条；其中三个光带分别被红色光、绿色光和蓝色光照射；捕捉从彩色条形码反射的光的单色图像，其包括条形码中的由三个光带中的每一个照射的条中的每一个；针对彩色条形码中的每个条，通过分析在三个空间上分离的光带中的每一个中的反射光强度的图像中捕捉的光强度来确定条的颜色。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；并且确定每个条的颜色通过确定R、G和B的值的相对强度来执行。在某些示例实施例中，确定每个条的颜色还通过将R、G和B的值之间的差的相对强度与阈值强度水平进行比较来执行。在某些示例实施例中，确定每个条的颜色通过将R、G和B的值之间的差的相对强度与阈值强度水平进行比较来执行。
在某些示例实施例中，从彩色条形码反射的并且在图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；
其中条被确定成红色，如果：
R>G且|ΔRG|>TRG，
R>B且|ΔRB|>TRB，以及
|ΔGB|<TGB；
其中条被确定成绿色，如果：
G>R且|ΔRG|>TRG，
G>B且|ΔGB|>TGB，以及
|ΔRB|<TRB；以及
其中条被确定成蓝色，如果：
B>R且|ΔRB|>TRB，
B>G且|ΔGB|>TGB，以及
|ΔRG|<TRG；以及
其中|ΔRB|是R和B之间的差的绝对值，其中|ΔGB|是G和B之间的差的绝对值，并且其中|ΔRG|是R和G之间的差的绝对值，并且其中TRG、TRB和TGB是预定阈值。
在某些示例实施例中，条被确定成黑色，如果：
|ΔRB|<TRB；
|ΔGB|<TGB；以及
|ΔRG|<TRG。
对彩色条形码进行解码的另一示例方法涉及到利用多个空间上分离的光带以如下方式同时照射彩色条形码：利用所述多个空间上分离的光带中的每一个照射彩色条形码的每个条；其中所述多个空间上分离的光带每一个都被不同的颜色照射；捕捉从彩色条形码反射的光的单色图像，其包括条形码中的由所述多个光带中的每一个照射的条中的每一个；针对彩色条形码中的每个条，通过在所述多个空间上分离的光带中的每一个中针对每个条分析反射光强度的图像中捕捉的光强度来确定条的颜色。
在以下详细描述和其附图内进一步解释前述例证性发明内容和本发明的其它示例性目的和/或优点，以及用来实现它们的方式。
附图说明
图1描绘了彩色条形码的示例。
图2描绘了用于以与本发明的某些实施例一致的方式对彩色条形码进行读取和解码的示例系统。
图3描绘了以与本发明的某些实施例一致的方式的从彩色条形码反射的光强度的示例。
图4是与本发明的某些实施例一致的示例总体解码过程的示例流程图。
图5是与本发明的某些实施例一致的示例颜色解码过程的示例流程图。
图6A和6B是与本发明的某些实施例一致的示例的详细的颜色解码过程的示例流程图。
具体实施方式
本发明包括用于对彩色条形码进行解码的方法。图1示出了由各种宽度的多个竖条纹组成的彩色UPC条形码10的示例。在常规UPC条形码中，所有的竖条都是黑的或者都是相同的颜色。在彩色条形码的情况下，所述竖条可以被颜色编码以提供附加信息。在随后的示例中，假设条可以呈现红色、绿色、蓝色或黑色，以便对除了正常编码在UPC条形码中的信息之外的附加信息进行编码。
该方法使用同时投影在条形码上在多个(例如，三个)分离的区域中的多个(例如，三个)颜色的照射。每个光源产生光的独特的波长/颜色来照射光学彩色条形码。然后分析在三个示例区域(或带)中的每一个中的从彩色条形码反射的光来确定每个条的颜色。所公开的方法展现出高运动容差。单个捕捉图像(即，单个帧)包括在三个不同的光下的条形码信息，因此不存在在时间序列中激活LED或者在分析中利用多个图像的需要。用来实现该方法的硬件较少，并且一个数据帧比组合中的多个帧更容易处理。这三个照射带形成充当指向条形码的瞄准器的三色条，并且其指示当不止一个条形码出现在视野中时解码哪个条形码。捕捉图像中的三个颜色带的位置和序列是相对固定的，因此信号处理的复杂度比需要处理多个帧的方法更低。
出于本文档的目的，术语“空间上分离的光带”意指所述光带照射空间上分离的多个区域。相邻光带可以具有重叠的区域，只要不完全重叠以使得在每个光带中存在由单个光源(或经过滤的光源)照射的区域即可。
在本示例实施例中，使用二维单色成像器对彩色条形码进行解码，其中所述条形码是由三色长条形照射器照射的。所述系统可以对基于颜色序列的UPC代码或其它类型的1D条形码进行解码。
在示例实施例中，提供了用于基于颜色序列的一维条形码的基于2D单色成像器的解码系统和方法，其中使用三色(例如，红色、绿色和蓝色)照射以利用二维单色传感器(单色传感器(mono-sensor))从彩色条形码的三个带同时捕捉颜色信息。颜色解码器分析从通过三个不同颜色照射照射的三个带输出的信号，并且比较每个条的亮度来决定条的颜色。颜色解码器然后对根据适当的编码标准编码的信息进行解码。
在该示例中，三色(例如红色、绿色和蓝色)照射被设计成利用二维单色传感器捕捉彩色条形码的颜色信息。在该示例中使用红色、绿色和蓝色三个颜色，并且可以使用这三个颜色来标识可以在RGB颜色空间内再现的任何颜色条。在该例证性示例中，使用三个颜色带并且识别三个颜色加上黑色的条。然而，在其它示例实施例中，可以使用其它颜色空间，可以使用多于或少于三个颜色光带，并且系统可以在采用或不采用黑色条检测的情况下检测两个或更多颜色，如将描述的那样。本领域技术人员将领会到，在考虑本教导时，许多变化是可能的。
组成条形码的具有与所述照射相同或类似的颜色的条将会比具有不同颜色的其它条将更多光反射回到单色传感器，因此，条的图像的该部分比由另两个颜色照射照射的其它条更亮。通过比较不同颜色照射的带内的相同条的亮度，系统可以确定条的颜色作为输出。
图2示出了符合本教导的示例系统，其中从一般示出为14的三色光源照射彩色条形码10，以便产生水平地跨条形码的三个不同的照射区域或带。三个颜色带可以标识条形码中的对应的三个颜色的条，并且还可以标识黑色条。通过适当地修改所描述的检测方法，用于检测附加颜色的方法也是可能的。上部区域20用红色光来照射并且为了方便还被标为“R”。中间区域22被标为“G”并且表示绿色光照射的区域或带。下部区域24被标为“B”并且表示由蓝色光照射的区域或带。
可以通过任何适合的机构(诸如被示出例如为14的机构)来产生这三个照射带20、22和24。在该示例中，三个发光二极管(LED)30、32和34分别产生红色、绿色和蓝色光。光穿过三个狭缝中的一个来照射三个室38，所述室38保持来自LED中的每一个的光分离。光然后穿过由三个透镜组成的透镜组装件42，每个颜色一个透镜，其聚焦光输出以产生三个分离的光带20、22和24。在考虑本教导时，本领域技术人员将想到变化。
LED可以在经编程的处理器46的控制下操作，或者可以持续打开。处理器46用来处理从单色成像器设备50接收的信息，所述单色成像器设备50用来捕捉条形码的图像(例如，在由框54示出的区域中)。处理器46然后可以检查捕捉到的图像以标识三个照射带并且检查从三个分离带中的每一个反射的光的强度以便区分条的颜色。
这三个长条形照射带的位置被存储在于处理器46中执行的颜色分析功能中，并且处理器分析由这三个颜色光照射的带内的信号。
条可以被打印在纸上或以其它方式描绘。具有与照射相同或类似颜色的条将会比具有不同颜色的其它条将更多的光反射回到单色传感器50。因此，条的图像的在具有类似照射的带中的部分比由另两个颜色照射照射的其它部分更亮。在所反射的图像中，着黑色的条具有比有色条和在具有最高强度的条之间的白色区域更低的光强度。
转到图3，在照射的上部部分中，来自彩色条形码10的四个条被描绘为红色条60、绿色条62和蓝色条64以及黑色条66。这些条被在红色带20、绿色带22和蓝色带24中照射。在照射的下部部分处是在红色带20、绿色带22和蓝色带24中的每一个中的反射光在相对亮度方面的图形表示。三个图是针对在三个带中的每一个中的反射光并且与条60、62、64和66对齐地示出。较大的强度由以该图左侧箭头的方向的较高水平指示。
如所图示的，光将从条反射，光强度随着光的颜色和条的颜色而变化。条之间的白色空间将反射大部分并展现出如图上的76、78和80所示的最高水平的强度。类似地，最低水平的强度是由在水平82、84和86处示出的黑色条66反射的。条60是红色条并且它的经反射的亮度在红色光带中是最大的，具有被示出为88的水平。类似地，绿色条62的最亮的反射是在绿色带中的照射之下并且被示出为90。蓝色条64在蓝色带中的蓝色照射之下反射有最大亮度，被示出为92。
在红色带20中的照射之下，蓝色和绿色条62和64反射由水平94指示的相对低水平的光。虽然为了方便而将这些示出为相同，但是会预期一些变化，但这些条在红色带20中将一直比红色条60反射得更少。
类似地，在绿色带22中的照射之下，红色和蓝色条60和64反射由水平96指示的相对低水平的光。虽然为了方便而将这些示出为相同，但是会预期一些变化，但这些条在绿色带22中将一直比绿色条62反射得更少。
类似地，在蓝色带24中的照射之下，红色和绿色条60和62反射由水平98指示的相对低水平的光。虽然为了方便而将这些示出为相同，但是会预期一些变化，但这些条在蓝色带24中将一直比蓝色条64反射得更少。
彩色条形码处理器46分析在由三个不同颜色照射(该示例中的红色、绿色和蓝色，但不应将这视为是限制性的)照射的三个带20、22和24中的来自单色成像器50输出的信号，并且比较每个带中的相同条的亮度以便确定条的颜色。随着每个条的颜色被确定，处理器46可以对根据适当的编码标准编码的信息进行解码。解码功能分析代码的灰度图像，并且对被编码在条形码符号中的信息进行解码。
图4描绘了符合某些示例实施例的用于对一维(1D)条形码进行解码的过程100，其始于104处。在108处，打开三色照射以提供三个颜色的照射。在112处，在成像器50处捕捉单色图像，并且在116处检查该图像来看看在该图像中是否存在1D条形码。如果不存在，则在112处捕捉另一图像以便继续寻找条形码图像。但是，如果在118处检测到1D条形码图像，则在120处标识条形码位置并且可以将捕捉到的图像的该部分传递给颜色解码过程。在124处，对颜色进行解码，并且在128处进行关于颜色序列信息是否已被适当地解码的确定。如果否，则过程再次在112处开始。如果是这样，则过程完成并且在132处结束。
在图5中详述的示例过程中执行124中的解码，其始于150处。在154处，过程始于确定条形码中的条的数目和每个条在三个有色光带20、22和24中的亮度水平。在158处，针对条形码中的标识出的条中的每一个，过程检查反射光并且(通过测量三个带20、22和24中的每一个中的强度)确定每个条在每个颜色光的照射下的亮度。在160处，针对三个带中的每一个，计算当前条的信号水平差。这得出针对每个条的针对在红色和蓝色、红色和绿色以及绿色和蓝色之间的差的三个差数。这些差被标为：
ΔRG＝红色光信号-绿色光信号＝R-G；
ΔRB＝红色光信号-蓝色光信号＝R-B；以及
ΔGB＝绿色光信号-蓝色光信号＝G-B。
然后在164处将这些亮度差与一组阈值进行比较。可以针对所使用的一组特定硬件用实验方法确定和优化所使用的实际阈值。作为确定阈值的起始点，考虑以下：TRG是建立在从条形码反射的红色和绿色照射的强度R和强度G之间的最小差的阈值，相应地用来区分红色与绿色。在一个示例实施例中，可以在红色和绿色带中测量从已知的红色条反射的光的强度。可以将阈值TRG设置例如在红色带中的反射强度减去绿色带中的反射强度之间的差的一半(即，|R-G|/2)处。从那里，可以用实验方法优化阈值。
类似地，TRB是建立在从条形码反射的红色和蓝色照射的强度R和强度B之间的最小差的阈值，相应地用来区分红色与蓝色。在一个示例实施例中，可以在红色和蓝色带中测量从已知的红色条反射的光的强度。可以将阈值TRB设置例如在红色带中的反射强度减去蓝色带中的反射强度之间的差的一半(即，|R-B|/2)处。从那里，可以用实验方法优化阈值。
TGB是建立在从条形码反射的绿色和蓝色照射的强度G和强度B之间的最小差的阈值，相应地用来区分绿色与蓝色。在一个示例实施例中，可以在绿色和蓝色带中测量从已知的绿色条反射的光的强度。可以将阈值TGB设置例如在绿色带中的反射强度减去蓝色带中的反射强度之间的差的一半(即，|G-B|/2)处。从那里，可以用实验方法优化阈值。
在上面的示例中的每一个中，环境光条件(如果环境光照到使用中的条形码上的话)应该是针对彩色条形码读取器硬件的使用的预期照明条件，并且应该测试其它照明条件并且应该针对所有可适用的照明条件优化所述值。本领域技术人员将领会到，可以使用其它方法通过变化环境光条件以及通过在硬件配置、三个带中的光强度等方面的变化来找出和优化阈值。
基于该分析，可以在168处确定条颜色。如果针对当前条，过程在170处成功完成，则在174处进行关于是否已经处理了最后一个条的确定。如果否，则过程在178处增量至下一条并且返回到158。一旦处理了所有的条，就在182处认为解码过程成功并且过程在186处返回。如果不能确定条中的任何的颜色，则过程在190处失败并且采取适合的动作。过程然后在186处返回。
结合图6A和6B描述颜色解码过程。在该过程中，比较在三个不同颜色的照射下的每个条的亮度作为如上所述的每一对的差值，其中ΔRG＝红色光信号-绿色光信号＝R-G；ΔRB＝红色光信号-蓝色光信号＝R-B；以及ΔGB＝绿色光信号-蓝色光信号＝G-B。
为了进行关于每个条的颜色的确定，建立三个阈值——针对三个RG、RB和GB组合中的每一个一个阈值，并且将其称为TRG、TRB和TGB，如上面讨论的那样。这导致可以针对每个情况进行的以下四组比较以确定条的颜色，如下：
针对红色条：
R>G且|ΔRG|>TRG；
R>B且|ΔRB|>TRB；以及
|ΔGB|<TGB。
针对绿色条：
G>R且|ΔRG|>TRG；
G>B且|ΔGB|>TGB；以及
|ΔRB|<TRB。
针对蓝色条：
B>R且|ΔRB|>TRB；
B>G且|ΔGB|>TGB；以及
|ΔRG|<TRG。
针对黑色条：
|ΔRB|<TRB；
|ΔGB|<TGB；以及
|ΔRG|<TRG。
可以通过令R、G和B表示任何三个适合的颜色C1、C2和C3并且因此在每个比较中适当地替换来针对三个颜色一般化上面四组比较。在这样的情况下，阈值TRG可以变成例如TC1C2；并且值|ΔRG|将会变成例如|ΔC1C2|。
针对解码适当的颜色时的确定性，本示例针对每个颜色(和黑色)检查这些判据中的每一个以便达成针对条形码中的每个条的颜色指派。
现在参考图6A和图6B，呈现了由图5的164和168表示的颜色解码过程200的示例流程图。要指出的是，可以改变操作的顺序而不脱离本教导。此外，如果关于颜色的较少确定性是可接受的，则可以省略测试中的某些。
过程200在202处开始，其中进行测试R>G和|ΔRG|>TRG。如果比较为真，则在210处应用第二测试，其检查来看看R>B且|ΔRB|>TRB是否为真。如果是这样，则在214处应用第三测试以检查来看看是否|ΔGB|<TGB。如果所有这些测试都通过，则过程在218处确定当前条是红色的，并且过程200在222处返回该答案。为了方便而通过括号将这三个测试206、210和214标为“测试红色”。
如果在206、210或214处，所述测试中的任何失败，则过程前进到针对绿色的测试，如由在226处开始的括号指示的那样，其中测试信号水平来看看是否G>R且|ΔRG|>TRG。如果是这样，则在230处应用下一测试来看看是否G>B且|ΔGB|>TGB。如果该测试通过，则在234处应用最后的绿色测试来看看是否|ΔRB|<TRB。如果所有这三个测试都通过，则过程在238处确定当前条是绿色的。过程然后可以在222处返回。如果在226、230或234处的三个测试中的任何失败，则过程确定条不是绿色的并且前进到在342处开始的蓝色测试。
蓝色测试非常像红色和绿色测试那样地进行，其中在342处执行B>R且|ΔRB|>TRB的比较。如果结果为肯定的，则执行在346处的下一测试。在346处，过程确定是否B>G且|ΔGB|>TGB，并且如果是这样则前进到350以确定是否|ΔRG|<TRG。如果所有三个蓝色测试都通过，则过程在354处确定当前条是蓝色的，并且过程在222处返回。
如果针对蓝色，在342、346或350处的测试中的任何不通过为肯定的，则过程前进到在358处开始的黑色测试。在358处，过程测试来看看是否|ΔRB|<TRB，并且如果是这样，则前进到362。在362处，过程检查来看看是否|ΔGB|<TGB，并且如果是这样则过程前进到366来看看是否|ΔRG|<TRG。如果是这样，则在370处将当前条确定为黑色条，并且过程在222处返回。
如果在红色、绿色和蓝色测试处存在失败，则过程前进到374，其中确定解码的失败并且可以实现适合的错误处理。在任何情况下，过程然后在222处返回。
虽然主要使用三个颜色(诸如红色、绿色和蓝色)描述了与本发明一致的实施例，但是在其它变化中，例如当要检测更有限的颜色鉴赏力(palate)时，可以使用两个或更多颜色。在那些情况下，与本教导一致的方法涉及到利用至少两个空间上分离的光带以如下方式同时照射彩色条形码：利用所述至少两个空间上分离的光带中的每一个照射彩色条形码的每个条。在该情况下，所述至少两个光带每一个都被不同的颜色(诸如红色、绿色和蓝色中的两个)照射。从彩色条形码反射的光的单色图像包括条形码中由所述至少两个光带中的每一个照射的条中的每一个。针对彩色条形码中的每个条，过程通过在所述至少两个空间上分离的光带中的每一个中针对每个条分析反射光强度的图像中捕捉的光强度来确定条的颜色。在该示例中，从彩色条形码反射的并且在图像中捕捉到的光强度由N个颜色C1到CN表示；每个条的颜色通过比较C1到CN的值的相对强度来确定。通过将C1、C2和C3的值之间的差的相对强度与阈值强度水平进行比较来进一步分析每个条的颜色。与本教导一致的许多其它变化是可能的。
在本教导的界限内的许多变化是可能的。例如，虽然三个LED被示出为不同的LED，但是所有三个可以被集成在具有三个LED管芯的一个LED元件中。此外，源可以是与所描述的那些颜色不同的颜色。可以以任何功能顺序重新布置所描述的过程的顺序，并且可以修改或简化针对红色、绿色、蓝色和黑色的测试。可以用实验方法修改或确定用于设计如所描述的阈值的方法而不脱离本教导。
在其它变化中，例如彩色条形码可能仅利用红色、蓝色和黑色条(或其它组合)。在该示例中，可以以与上面公开的方式类似的方式使用两个光带(红色和蓝色)来识别红色、蓝色和黑色条。在考虑本教导时，本领域技术人员将想到其它变化。
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为了补充本公开，本申请通过引用整体地并入了以下共同受让的专利、专利申请公开以及专利申请：
美国专利号6,832,725；美国专利号7,128,266；
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美国专利号8,479,992；美国专利号8,490,877；
美国专利号8,517,271；美国专利号8,523,076；
美国专利号8,528,818；美国专利号8,544,737；美国专利号8,548,242；美国专利号8,548,420；美国专利号8,550,335；美国专利号8,550,354；美国专利号8,550,357；美国专利号8,556,174；美国专利号8,556,176；美国专利号8,556,177；美国专利号8,559,767；美国专利号8,599,957；美国专利号8,561,895；美国专利号8,561,903；美国专利号8,561,905；美国专利号8,565,107；美国专利号8,571,307；美国专利号8,579,200；美国专利号8,583,924；美国专利号8,584,945；美国专利号8,587,595；美国专利号8,587,697；美国专利号8,588,869；美国专利号8,590,789；美国专利号8,596,539；美国专利号8,596,542；美国专利号8,596,543；美国专利号8,599,271；美国专利号8,599,957；美国专利号8,600,158；美国专利号8,600,167；美国专利号8,602,309；美国专利号8,608,053；美国专利号8,608,071；美国专利号8,611,309；美国专利号8,615,487；美国专利号8,616,454；美国专利号8,621,123；美国专利号8,622,303；美国专利号8,628,013；美国专利号8,628,015；美国专利号8,628,016；美国专利号8,629,926；美国专利号8,630,491；美国专利号8,635,309；美国专利号8,636,200；美国专利号8,636,212；美国专利号8,636,215；美国专利号8,636,224；美国专利号8,638,806；美国专利号8,640,958；美国专利号8,640,960；美国专利号8,643,717；美国专利号8,646,692；美国专利号8,646,694；美国专利号8,657,200；美国专利号8,659,397；美国专利号8,668,149；美国专利号8,678,285；美国专利号8,678,286；美国专利号8,682,077；美国专利号8,687,282；美国专利号8,692,927；美国专利号8,695,880；美国专利号8,698,949；美国专利号8,717,494；美国专利号8,717,494；美国专利号8,720,783；美国专利号8,723,804；美国专利号8,723,904；美国专利号8,727,223；美国专利号D702,237；美国专利号8,740,082；美国专利号8,740,085；美国专利号8,746,563；美国专利号8,750,445；美国专利号8,752,766；美国专利号8,756,059；美国专利号8,757,495；美国专利号8,760,563；美国专利号8,763,909；美国专利号8,777,108；美国专利号8,777,109；美国专利号8,779,898；美国专利号8,781,520；美国专利号8,783,573；美国专利号8,789,757；美国专利号8,789,758；美国专利号8,789,759；美国专利号8,794,520；美国专利号8,794,522；美国专利号8,794,525；美国专利号8,794,526；美国专利号8,798,367；美国专利号8,807,431；美国专利号8,807,432；美国专利号8,820,630；美国专利号8,822,848；美国专利号8,824,692；美国专利号8,824,696；美国专利号8,842,849；美国专利号8,844,822；美国专利号8,844,823；美国专利号8,849,019；美国专利号8,851,383；美国专利号8,854,633；美国专利号8,866,963；美国专利号8,868,421；美国专利号8,868,519；美国专利号8,868,802；美国专利号8,868,803；美国专利号8,870,074；美国专利号8,879,639；美国专利号8,880,426；美国专利号8,881,983；美国专利号8,881,987；美国专利号8,903,172；美国专利号8,908,995；美国专利号8,910,870；美国专利号8,910,875；美国专利号8,914,290；美国专利号8,914,788；美国专利号8,915,439；美国专利号8,915,444；美国专利号8,916,789；美国专利号8,918,250；美国专利号8,918,564；美国专利号8,925,818；美国专利号8,939,374；美国专利号8,942,480；美国专利号8,944,313；美国专利号8,944,327；美国专利号8,944,332；美国专利号8,950,678；美国专利号8,967,468；美国专利号8,971,346；美国专利号8,976,030；美国专利号8,976,368；美国专利号8,978,981；美国专利号8,978,983；美国专利号8,978,984；美国专利号8,985,456；美国专利号8,985,457；美国专利号8,985,459；美国专利号8,985,461；美国专利号8,988,578；美国专利号8,988,590；美国专利号8,991,704；美国专利号8,996,194；美国专利号8,996,384；美国专利号9,002,641；美国专利号9,007,368；美国专利号9,010,641；美国专利号9,015,513；美国专利号9,016,576；美国专利号9,022,288；美国专利号9,030,964；美国专利号9,033,240；美国专利号9,033,242；美国专利号9,036,054；美国专利号9,037,344；美国专利号9,038,911；美国专利号9,038,915；美国专利号9,047,098；美国专利号9,047,359；美国专利号9,047,420；美国专利号9,047,525；美国专利号9,047,531；美国专利号9,053,055；美国专利号9,053,378；美国专利号9,053,380；美国专利号9,058,526；美国专利号9,064,165；美国专利号9,064,167；美国专利号9,064,168；美国专利号9,064,254；美国专利号9,066,032；美国专利号9,070,032；美国设计专利号D716,285；
美国设计专利号D723,560；
美国设计专利号D730,357；
美国设计专利号D730,901；
美国设计专利号D730,902
美国设计专利号D733,112；
美国设计专利号D734,339；
国际公开号2013/163789；
国际公开号2013/173985；
国际公开号2014/019130；
国际公开号2014/110495；
美国专利申请公开号2008/0185432；美国专利申请公开号2009/0134221；美国专利申请公开号2010/0177080；美国专利申请公开号2010/0177076；美国专利申请公开号2010/0177707；美国专利申请公开号2010/0177749；美国专利申请公开号2010/0265880；美国专利申请公开号2011/0202554；美国专利申请公开号2012/0111946；美国专利申请公开号2012/0168511；美国专利申请公开号2012/0168512；美国专利申请公开号2012/0193423；美国专利申请公开号2012/0203647；美国专利申请公开号2012/0223141；美国专利申请公开号2012/0228382；美国专利申请公开号2012/0248188；美国专利申请公开号2013/0043312；美国专利申请公开号2013/0082104；美国专利申请公开号2013/0175341；美国专利申请公开号2013/0175343；美国专利申请公开号2013/0257744；美国专利申请公开号2013/0257759；美国专利申请公开号2013/0270346；美国专利申请公开号2013/0287258；美国专利申请公开号2013/0292475；美国专利申请公开号2013/0292477；美国专利申请公开号2013/0293539；美国专利申请公开号2013/0293540；美国专利申请公开号2013/0306728；美国专利申请公开号2013/0306731；美国专利申请公开号2013/0307964；美国专利申请公开号2013/0308625；美国专利申请公开号2013/0313324；美国专利申请公开号2013/0313325；美国专利申请公开号2013/0342717；美国专利申请公开号2014/0001267；美国专利申请公开号2014/0008439；美国专利申请公开号2014/0025584；美国专利申请公开号2014/0034734；美国专利申请公开号2014/0036848；美国专利申请公开号2014/0039693；美国专利申请公开号2014/0042814；美国专利申请公开号2014/0049120；美国专利申请公开号2014/0049635；美国专利申请公开号2014/0061306；美国专利申请公开号2014/0063289；美国专利申请公开号2014/0066136；美国专利申请公开号2014/0067692；美国专利申请公开号2014/0070005；美国专利申请公开号2014/0071840；美国专利申请公开号2014/0074746；美国专利申请公开号2014/0076974；美国专利申请公开号2014/0078341；美国专利申请公开号2014/0078345；美国专利申请公开号2014/0097249；美国专利申请公开号2014/0098792；美国专利申请公开号2014/0100813；美国专利申请公开号2014/0103115；美国专利申请公开号2014/0104413；美国专利申请公开号2014/0104414；美国专利申请公开号2014/0104416；美国专利申请公开号2014/0104451；美国专利申请公开号2014/0106594；美国专利申请公开号2014/0106725；美国专利申请公开号2014/0108010；美国专利申请公开号2014/0108402；美国专利申请公开号2014/0110485；美国专利申请公开号2014/0114530；美国专利申请公开号2014/0124577；美国专利申请公开号2014/0124579；美国专利申请公开号2014/0125842；美国专利申请公开号2014/0125853；美国专利申请公开号2014/0125999；美国专利申请公开号2014/0129378；美国专利申请公开号2014/0131438；美国专利申请公开号2014/0131441；美国专利申请公开号2014/0131443；美国专利申请公开号2014/0131444；美国专利申请公开号2014/0131445；美国专利申请公开号2014/0131448；美国专利申请公开号2014/0133379；美国专利申请公开号2014/0136208；美国专利申请公开号2014/0140585；美国专利申请公开号2014/0151453；美国专利申请公开号2014/0152882；美国专利申请公开号2014/0158770；美国专利申请公开号2014/0159869；美国专利申请公开号2014/0166755；美国专利申请公开号2014/0166759；美国专利申请公开号2014/0168787；美国专利申请公开号2014/0175165；美国专利申请公开号2014/0175172；美国专利申请公开号2014/0191644；美国专利申请公开号2014/0191913；美国专利申请公开号2014/0197238；美国专利申请公开号2014/0197239；美国专利申请公开号2014/0197304；美国专利申请公开号2014/0214631；美国专利申请公开号2014/0217166；美国专利申请公开号2014/0217180；美国专利申请公开号2014/0231500；美国专利申请公开号2014/0232930；美国专利申请公开号2014/0247315；美国专利申请公开号2014/0263493；美国专利申请公开号2014/0263645；美国专利申请公开号2014/0267609；美国专利申请公开号2014/0270196；美国专利申请公开号2014/0270229；美国专利申请公开号2014/0278387；美国专利申请公开号2014/0278391；美国专利申请公开号2014/0282210；美国专利申请公开号2014/0284384；美国专利申请公开号2014/0288933；美国专利申请公开号2014/0297058；美国专利申请公开号2014/0299665；美国专利申请公开号2014/0312121；美国专利申请公开号2014/0319220；美国专利申请公开号2014/0319221；美国专利申请公开号2014/0326787；美国专利申请公开号2014/0332590；美国专利申请公开号2014/0344943；美国专利申请公开号2014/0346233；美国专利申请公开号2014/0351317；美国专利申请公开号2014/0353373；美国专利申请公开号2014/0361073；美国专利申请公开号2014/0361082；美国专利申请公开号2014/0362184；美国专利申请公开号2014/0363015；美国专利申请公开号2014/0369511；美国专利申请公开号2014/0374483；美国专利申请公开号2014/0374485；美国专利申请公开号2015/0001301；美国专利申请公开号2015/0001304；美国专利申请公开号2015/0003673；美国专利申请公开号2015/0009338；美国专利申请公开号2015/0009610；美国专利申请公开号2015/0014416；美国专利申请公开号2015/0021397；美国专利申请公开号2015/0028102；美国专利申请公开号2015/0028103；美国专利申请公开号2015/0028104；美国专利申请公开号2015/0029002；美国专利申请公开号2015/0032709；美国专利申请公开号2015/0039309；美国专利申请公开号2015/0039878；美国专利申请公开号2015/0040378；美国专利申请公开号2015/0048168；美国专利申请公开号2015/0049347；美国专利申请公开号2015/0051992；美国专利申请公开号2015/0053766；美国专利申请公开号2015/0053768；美国专利申请公开号2015/0053769；美国专利申请公开号2015/0060544；美国专利申请公开号2015/0062366；美国专利申请公开号2015/0063215；美国专利申请公开号2015/0063676；美国专利申请公开号2015/0069130；美国专利申请公开号2015/0071819；美国专利申请公开号2015/0083800；美国专利申请公开号2015/0086114；美国专利申请公开号2015/0088522；美国专利申请公开号2015/0096872；美国专利申请公开号2015/0099557；美国专利申请公开号2015/0100196；美国专利申请公开号2015/0102109；美国专利申请公开号2015/0115035；美国专利申请公开号2015/0127791；美国专利申请公开号2015/0128116；美国专利申请公开号2015/0129659；美国专利申请公开号2015/0133047；美国专利申请公开号2015/0134470；美国专利申请公开号2015/0136851；
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美国专利申请公开号2015/0161429；
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美国专利申请公开号2015/0169929；
美国专利申请公开号2015/0178523；
美国专利申请公开号2015/0178534；
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美国专利申请公开号2015/0181093；
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2012年2月7日(Feng等人)提交的Laser Scanning Module Employing anElastomeric U-Hinge Based Laser Scanning Assembly的美国专利申请号13/367,978，；
2013年6月19日(Fitch等人)提交的Electronic Device的美国专利申请号29/458,405，；
2013年7月2日(London等人)提交的Electronic Device Enclosure的美国专利申请号29/459，620；
2013年9月26日(Oberpriller等人)提交的Electronic Device Case的美国专利申请号29/468,118；
2014年1月8日(Colavito等人)提交的Indicia-reader Having UnitaryConstruction Scanner的美国专利申请号14/150,393；
2014年3月7日(Feng等人)提交的Indicia Reader for Size-LimitedApplications的美国专利申请号14/200,405；
2014年4月1日(Van Horn等人)提交的Hand-Mounted Indicia-Reading Devicewith Finger Motion Triggering的美国专利申请号14/231,898；
2014年4月2日(Oberpriller等人)提交的Imaging Terminal的美国专利申请号29/486,759；
2014年4月21日(Showering)提交的Docking System and Method Using NearField Communication的美国专利申请号14/257,364；
2014年4月29日(Ackley等人)提交的Autofocus Lens System for IndiciaReaders的美国专利申请号14/264,173；
2014年5月14日(Jovanovski等人)提交的MULTIPURPOSE OPTICAL READER的美国专利申请号14/277,337；
2014年5月21日(Liu等人)提交的TERMINAL HAVING ILLUMINATION AND FOCUSCONTROL的美国专利申请号14/283,282；
2014年7月10日(Hejl)提交的MOBILE-PHONE ADAPTER FOR ELECTRONICTRANSACTIONS的美国专利申请号14/327,827；
2014年7月18日(Hejl)提交的SYSTEM AND METHOD FOR INDICIA VERIFICATION的美国专利申请号14/334,934；
2014年7月24日(Xian等人)提交的LASER SCANNING CODE SYMBOL READINGSYSTEM的美国专利申请号14/339,708；
2014年7月25日(Rueblinger等人)提交的AXIALLY REINFORCED FLEXIBLE SCANELEMENT的美国专利申请号14/340,627；
2014年7月30日(Good等人)提交的MULTIFUNCTION POINT OF SALE APPARATUSWITH OPTICAL SIGNATURE CAPTURE的美国专利申请号14/446,391；
2014年8月6日(Todeschini)提交的INTERACTIVE INDICIA READER的美国专利申请号14/452,697；
2014年8月6日(Li等人)提交的DIMENSIONING SYSTEM WITH GUIDED ALIGNMENT的美国专利申请号14/453,019；
2014年8月19日(Todeschini等人)提交的MOBILE COMPUTING DEVICE WITH DATACOGNITION SOFTWARE的美国专利申请号14/462,801；
2014年9月10日(McCloskey等人)提交的VARIABLE DEPTH OF FIELD BARCODESCANNER的美国专利申请号14/483,056；
2014年10月14日(Singel等人)提交的IDENTIFYING INVENTORY ITEMS INASTORAGE FACILITY的美国专利申请号14/513,808；
2014年10月21日(Laffargue等人)提交的HANDHELDDIMENSIONING SYSTEM WITHFEEDBACK的美国专利申请号14/519,195；
2014年10月21日(Thuries等人)提交的DIMENSIONING SYSTEM WITH MULTIPATHINTERFERENCE MITIGATION的美国专利申请号14/519,179；
2014年10月21日(Ackley等人)提交的SYSTEM AND METHOD FOR DIMENSIONING的美国专利申请号14/519,211；
2014年10月21日(Laffargue等人)提交的HANDHELDDIMENSIONER WITH DATA-QUALITY INDICATION的美国专利申请号14/519,233；
2014年10月21日(Ackley等人)提交的HANDHELDDIMENSIONING SYSTEM WITHMEASUREMENT-CONFORMANCE FEEDBACK的美国专利申请号14/519,249；2014年10月29日(Braho等人)提交的METHOD AND SYSTEM FOR RECOGNIZING SPEECH USING WILDCARDS INAN EXPECTED RESPONSE的美国专利申请号14/527,191；
2014年10月31日(Schoon等人)提交的ADAPTABLE INTERFACE FOR A MOBILECOMPUTING DEVICE的美国专利申请号14/529,563；
2014年10月31日(Todeschini等人)提交的BARCODE READER WITH SECURITYFEATURES的美国专利申请号14/529,857；
2014年11月3日(Bian等人)提交的PORTABLE ELECTRONIC DEVICES HAVINGASEPARATE LOCATION TRIGGER UNIT FOR USE IN CONTROLLING AN APPLICATION UNIT的美国专利申请号14/398,542；
2014年11月3日(Miller等人)提交的DIRECTING AN INSPECTOR THROUGH ANINSPECTION的美国专利申请号14/531,154；
2014年11月5日(Todeschini)提交的BARCODE SCANNING SYSTEM USING WEARABLEDEVICE WITH EMBEDDED CAMERA的美国专利申请号14/533,319；2014年11月7日(Braho等人)提交的CONCATENATED EXPECTED RESPONSES FOR SPEECH RECOGNITION的美国专利申请号14/535,764；
2014年12月12日(Todeschini)提交的AUTO-CONTRAST VIEWFINDER FOR ANINDICIA READER的美国专利申请号14/568,305；
2014年12月17日(Goldsmith)提交的DYNAMIC DIAGNOSTIC INDICATORGENERATION的美国专利申请号14/573,022；
2014年12月22日(Ackley等人)提交的SAFETY SYSTEM AND METHOD的美国专利申请号14/578,627；
2014年12月23日(Bowles)提交的MEDIA GATE FOR THERMAL TRANSFER PRINTERS的美国专利申请号14/580,262；
2015年1月6日(Payne)提交的SHELVING AND PACKAGE LOCATING SYSTEMS FORDELIVERY VEHICLES的美国专利申请号14/590,024；
2015年1月14日(Ackley)提交的SYSTEM AND METHOD FOR DETECTING BARCODEPRINTING ERRORS的美国专利申请号14/596,757；
2015年1月21日(Chen等人)提交的OPTICAL READING APPARATUS HAVINGVARIABLE SETTINGS的美国专利申请号14/416,147；
2015年2月5日(Oberpriller等人)提交的DEVICE FOR SUPPORTING ANELECTRONIC TOOL ON A USER'S HAND的美国专利申请号14/614,706；
2015年2月5日(Morton等人)提交的CARGO APPORTIONMENT TECHNIQUES的美国专利申请号14/614,796；
2015年2月6日(Bidwell等人)提交的TABLE COMPUTER的美国专利申请号29/516,892；
2015年2月11日(Pecorari)提交的METHODS FOR TRAINING A SPEECHRECOGNITION SYSTEM的美国专利申请号14/619,093；
2015年2月23日(Todeschini)提交的DEVICE，SYSTEM，AND METHOD FORDETERMINING THE STATUS OF CHECKOUT LANES的美国专利申请号14/628,708；2015年2月25日(Gomez等人)提交的TERMINAL INCLUDING IMAGING ASSEMBLY的美国专利申请号14/630,841；
2015年3月2日(Sevier)提交的SYSTEM AND METHOD FOR RELIABLE STORE-AND-FORWARD DATA HANDLING BY ENCODED INFORMATION READING TERMINALS的美国专利申请号14/635,346；
2015年3月2日(Zhou等人)提交的SCANNER的美国专利申请号29/519,017；
2015年3月9日(Zhu等人)提交的DESIGN PATTERN FOR SECURE STORE的美国专利申请号14/405,278；
2015年3月18日(Kearney等人)提交的DECODABLE INDICIA READING TERMINALWITH COMBINED ILLUMINATION的美国专利申请号14/660,970；
2015年3月18日(Soule等人)提交的REPROGRAMMING SYSTEM AND METHOD FORDEVICES INCLUDING PROGRAMMING SYMBOL的美国专利申请号14/661,013；
2015年3月19日(Van Horn等人)提交的MULTIFUNCTION POINT OF SALE SYSTEM的美国专利申请号14/662,922；
2015年3月20日(Davis等人)提交的VEHICLE MOUNT COMPUTER WITHCONFIGURABLE IGNITION SWITCH BEHAVIOR的美国专利申请号14/663,638；2015年3月20日(Todeschini)提交的METHOD AND APPLICATION FOR SCANNING ABARCODE WITH A SMARTDEVICE WHILE CONTINUOUSLY RUNNING AND DISPLAYING AN APPLICATION ON THE SMARTDEVICE DISPLAY的美国专利申请号14/664,063；
2015年3月26日(Funyak等人)提交的TRANSFORMING COMPONENTS OF A WEB PAGETO VOICE PROMPTS的美国专利申请号14/669,280；
2015年3月31日(Bidwell)提交的AIMER FOR BARCODE SCANNING的美国专利申请号14/674,329；
2015年4月1日(Huck)提交的INDICIA READER的美国专利申请号14/676,109；
2015年4月1日(Yeakley等人)提交的DEVICE MANAGEMENT PROXY FOR SECUREDEVICES的美国专利申请号14/676,327；
2015年4月2日(Showering)提交的NAVIGATION SYSTEM CONFIGURED TOINTEGRATE MOTION SENSING DEVICE INPUTS的美国专利申请号14/676,898；2015年4月6日(Laffargue等人)提交的DIMENSIONING SYSTEM CALIBRATION SYSTEMS AND METHODS的美国专利申请号14/679,275；
2015年4月7日(Bidwell等人)提交的HANDLE FOR A TABLET COMPUTER的美国专利申请号29/523,098；
2015年4月9日(Murawski等人)提交的SYSTEM AND METHOD FOR POWERMANAGEMENT OF MOBILE DEVICES的美国专利申请号14/682,615；
2015年4月15日(Qu等人)提交的MULTIPLE PLATFORM SUPPORT SYSTEM ANDMETHOD的美国专利申请号14/686,822；
2015年4月15日(Kohtz等人)提交的SYSTEM FOR COMMUNICATION VIAAPERIPHERAL HUB的美国专利申请号14/687,289；
2015年4月17日(Zhou等人)提交的SCANNER的美国专利申请号29/524,186；
2015年4月24日(Sewell等人)提交的MEDICATION MANAGEMENT SYSTEM的美国专利申请号14/695,364；
2015年4月24日(Kubler等人)提交的SECURE UNATTENDED NETWORKAUTHENTICATION的美国专利申请号14/695,923；
2015年4月27日(Schulte等人)提交的TABLET COMPUTER WITH REMOVABLESCANNING DEVICE的美国专利申请号29/525,068；
2015年4月29日(Nahill等人)提交的SYMBOL READING SYSTEM HAVINGPREDICTIVE DIAGNOSTICS的美国专利申请号14/699,436；
2015年5月1日(Todeschini等人)提交的SYSTEM AND METHOD FOR REGULATINGBARCODE DATA INJECTION INTO A RUNNING APPLICATION ON A SMART DEVICE的美国专利申请号14/702,110；
2015年5月4日(Young等人)提交的TRACKING BATTERY CONDITIONS的美国专利申请号14/702,979；
2015年5月5日(Charpentier等人)提交的INTERMEDIATE LINEAR POSITIONING的美国专利申请号14/704,050；
2015年5月6日(Fitch等人)提交的HANDS-FREE HUMAN MACHINE INTERFACERESPONSIVE TO A DRIVER OF A VEHICLE的美国专利申请号14/705,012；
2015年5月6日(Hussey等人)提交的METHOD AND SYSTEM TO PROTECT SOFTWARE-BASED NETWORK-CONNECTED DEVICES FROM ADVANCED PERSISTENT THREAT的美国专利申请号14/705,407；
2015年5月8日(Chamberlin)提交的SYSTEM AND METHOD FOR DISPLAY OFINFORMATION USING A VEHICLE-MOUNT COMPUTER的美国专利申请号14/707,037；2015年5月8日(Pape)提交的APPLICATION INDEPENDENT DEX/UCS INTERFACE的美国专利申请号14/707,123；
2015年5月8日(Smith等人)提交的METHOD AND APPARATUS FOR READING OPTICALINDICIA USING A PLURALITY OF DATA SOURCES的美国专利申请号14/707,492；
2015年5月13日(Smith)提交的PRE-PAID USAGE SYSTEM FOR ENCODEDINFORMATION READING TERMINALS的美国专利申请号14/710,666；
2015年5月14日(Fitch等人)提交的CHARGING BASE的美国专利申请号29/526,918；
2015年5月19日(Venkatesha等人)提交的AUGUMENTED REALITY ENABLEDHAZARDDISPLAY的美国专利申请号14/715,672；
2015年5月19日(Ackley)提交的EVALUATING IMAGE VALUES的美国专利申请号14/715,916；
2015年5月27日(Showering等人)提交的INTERACTIVE USER INTERFACE FORCAPTURING A DOCUMENT IN AN IMAGE SIGNAL的美国专利申请号14/722,608；2015年5月27日(Oberpriller等人)提交的IN-COUNTER BARCODE SCANNER的美国专利申请号29/528,165；
2015年5月28日(Wang等人)提交的ELECTRONIC DEVICE WITH WIRELESS PATHSELECTION CAPABILITY的美国专利申请号14/724,134；
2015年5月29日(Barten)提交的METHOD OF PROGRAMMING THE DEFAULT CABLEINTERFACE SOFTWARE IN AN INDICIA READING DEVICE的美国专利申请号14/724,849；
2015年5月29日(Barber等人)提交的IMAGING APPARATUS HAVING IMAGINGASSEMBLY的美国专利申请号14/724,908；
(Caballero等人)的APPARATUS AND METHODS FOR MONITORING ONE OR MOREPORTABLE DATA TERMINALS的美国专利申请号14/725,352；
2015年5月29日(Fitch等人)提交的ELECTRONIC DEVICE的美国专利申请号29/528,590；
2015年6月2日(Fitch等人)提交的MOBILE COMPUTER HOUSING的美国专利申请号29/528,890；
2015年6月2日(Caballero)提交的DEVICE MANAGEMENT USING VIRTUALINTERFACES CROSS-REFERENCE TO RELATED APPLICATIONS的美国专利申请号14/728,397；
2015年6月8日(Powilleit)提交的DATA COLLECTION MODULE AND SYSTEM的美国专利申请号14/732,870；
2015年6月8日(Zhou等人)提交的INDICIA READING DEVICE的美国专利申请号29/529,441；
2015年6月10日(Todeschini)提交的INDICIA-READING SYSTEMS HAVING ANINTERFACE WITH A USER'S NERVOUS SYSTEM的美国专利申请号14/735,717；2015年6月12日(Amundsen等人)提交的METHOD OF AND SYSTEM FOR DETECTING OBJECT WEIGHINGINTERFERENCES的美国专利申请号14/738,038；
2015年6月16日(Bandringa)提交的TACTILE SWITCH FOR A MOBILE ELECTRONICDEVICE的美国专利申请号14/740,320；
2015年6月16日(Ackley等人)提交的CALIBRATING A VOLUME DIMENSIONER的美国专利申请号14/740,373；
2015年6月18日(Xian等人)提交的INDICIA READING SYSTEM EMPLOYING DIGITALGAIN CONTROL的美国专利申请号14/742,818；
2015年6月18日(Wang等人)提交的WIRELESS MESH POINT PORTABLE DATATERMINAL的美国专利申请号14/743,257；
2015年6月18日(Vargo等人)提交的CYCLONE的美国专利申请号29/530,600；
2015年6月19日(Wang)提交的IMAGING APPARATUS COMPRISING IMAGE SENSORARRAY HAVING SHARED GLOBAL SHUTTER CIRCUITRY的美国专利申请号14/744,633；
2015年6月19日(Todeschini等人)提交的CLOUD-BASED SYSTEM FOR READING OFDECODABLE INDICIA的美国专利申请号14/744,836；
2015年6月19日(Todeschini等人)提交的SELECTIVE OUTPUT OF DECODEDMESSAGE DATA的美国专利申请号14/745,006；
2015年6月23日(Thuries等人)提交的OPTICAL PATTERN PROJECTOR的美国专利申请号14/747,197；
2015年6月23日(Jovanovski等人)提交的DUAL-PROJECTOR THREE-DIMENSIONALSCANNER的美国专利申请号14/747,490；以及
2015年6月24日(Xie等人)提交的CORDLESS INDICIA READER WITHAMULTIFUNCTION COIL FOR WIRELESS CHARGING AND EASDEACTIVATION的美国专利申请号14/748,446。
在说明书和/或附图中，已经公开了本发明的典型实施例。本发明不受限于这种示例性实施例。术语“和/或”的使用包括相关联的所列项目中的一个或多个的任何和所有组合。附图是示意性表示并且因此不一定按比例绘制。除非另外指出，否则以一般性和描述性意义而不是出于限制的目的来使用特定术语。
Claims (10)
1.一种用于对彩色条形码进行解码的系统，包括：
处理器，被配置为：
利用至少两个空间上分离的光带以如下方式同时照射彩色条形码：利用所述至少两个空间上分离的光带中的每一个光带照射彩色条形码的每个条，其中，所述至少两个光带都被不同的颜色照射；
捕捉从彩色条形码反射的光的单色图像；以及
针对彩色条形码中的条：
计算从该条反射的第一颜色的第一相对强度与从该条反射的第二颜色的第二相对强度之间的差；以及
基于该差与预定阈值的比较来确定该条的颜色。
2.根据权利要求1所述的系统，其中，从彩色条形码反射的并且在单色图像中捕捉到的光强度是由N个颜色C1到CN表示的；并且其中，所述处理器被配置为通过确定C1到CN的值的相对强度来确定条的颜色。
3.根据权利要求2所述的系统，其中，所述处理器被配置为通过将C1、C2和C3的值之间的差的相对强度与阈值强度水平进行比较来确定条的颜色。
4.根据权利要求1所述的系统，其中，所述处理器被配置为通过将C1、C2和C3的值之间的差的相对强度与预定阈值强度水平进行比较来确定条的颜色。
5.根据权利要求1所述的系统，其中，所述至少两个光带的颜色包括红色、绿色和蓝色光中的至少两个。
6.一种颜色标记读取装置，包括：
处理器，被配置为：
利用三个空间上分离的光带以如下方式同时照射彩色条形码：利用所述三个空间上分离的光带中的每一个光带照射彩色条形码的每个条，其中，所述三个光带各自被红色光、绿色光和蓝色光照射；
捕捉从彩色条形码反射的光的单色图像；以及
针对彩色条形码中的条：
计算从该条反射的第一颜色的第一相对强度与从该条反射的第二颜色的第二相对强度之间的差；以及
基于该差与预定阈值的比较来确定该条的颜色。
7.根据权利要求6所述的装置，其中，从彩色条形码反射的并且在单色图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的，并且其中，所述处理器被配置为通过确定R、G和B的值的相对强度来确定条的颜色。
8.根据权利要求7所述的装置，其中，所述处理器被配置为通过将R、G和B的值之间的差的相对强度与阈值强度水平进行比较来确定条的颜色。
9.根据权利要求7所述的装置，其中，从彩色条形码反射的并且在单色图像中捕捉到的光强度是由分别用于红色、绿色和蓝色光强度的R、G和B表示的；
其中，如果满足以下条件，则所述处理器被配置为确定条为红色：
R>G且|ΔRG|>TRG，
R>B且|ΔRB|>TRB，以及
|ΔGB|<TGB；
其中，如果满足以下条件，则所述处理器被配置为确定条为绿色：
G>R且|ΔRG|>TRG，
G>B且|ΔGB|>TGB，以及
|ΔRB|<TRB；
其中，如果满足以下条件，则所述处理器被配置为确定条为蓝色：
B>R且|ΔRB|>TRB，
B>G且|ΔGB|>TGB，以及
|ΔRG|<TRG；
其中|ΔRB|是R和B之差的绝对值，其中|ΔGB|是G和B之差的绝对值，其中|ΔRG|是R和G之差的绝对值，并且其中TRG、TRB和TGB是预定阈值。
10.根据权利要求9所述的装置，其中，如果满足以下条件，则所述处理器被配置为确定条为黑色：
|ΔRB|<TRB，
|ΔGB|<TGB，以及
|ΔRG|<TRG。
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2017
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| US10796119B2 (en) | 2020-10-06 |
| CN109308430B (zh) | 2023-08-15 |
| CN109308430A (zh) | 2019-02-05 |
| US20190034681A1 (en) | 2019-01-31 |
| US11120238B2 (en) | 2021-09-14 |
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